Single phase static energy meter working principle

Particularly in this article, we are going to study about the working principles of singlephase electromechanical induction type energy meter and also about. Overview of single phase induction type energy meter. The conventional mechanical energy meter is based on the phenomenon of magnetic induction. The reading on the 3ph meter would equal the sum of the three separate readings on the single phase meters. The voltage and currents of the power line are rated down to signal level using transducers like voltage and current transformers and given to that ic as shown in the figure. Working principle and construction of energy meter video lecture of measurement of capacitance chapter in subject electronic. Single phase energy meter theory pdf download mastercard. Induction type energy meter used invariably to measure the energy consumed in any a. A singlephase meter is used in alternating current systems. The threewattmeter method can also be used in the absence of a neutral conductor if an artificial neutral is available. Single phase meter wiring diagram energy meter single. It uses ad7755, a singlephase energy measurement ic to acquire and process the input voltage and current parameters. Handbook on electricity meters asiapacific economic cooperation.

Several singlephase static energy meters were measured in. How does a transformer work working principle electrical engineering duration. Electrical energy meters principles and applications. The basic principles here apply equally to polyphase circuits. The working of single phase induction type energy meters are based on two main fundamentals. The detail explanation of their parts is written below. The construction of the single phase energy meter is shown in the figure below. Pdf static energy meter errors caused by conducted. Technical specifications for single phase electronic energy meter of. Mechanism of rotation of an aluminum disc which is made to rotate at a speed proportional to the power. The meter shall draw power for working of electronic circuit from phase and neutral. This article focusses only on its constructional features and its working.

On a singlephase ac supply, the electromechanical induction meter. Single phase induction type energy meter working the control of speed is brought about by a permanent magnet called the brake magnet. A single phase watt meter is use for measuring the wattage of the single phase electrical circuit, the big example of this is energy meters these are also the watt meter. Arrangement of counting and displaying the amount of energy consumed. Revised july 1996 read specification for ac static electrical energy meters. The magnet is placed opposite to the electromagnet used for providing deflecting torque and it induces currents in the disc which produces retarding torque proportional to their magnitude which latter is proportional to the speed of the rotating system. Single phase energy meter all you need to know toppr.

Single phase induction type energy meter is also popularly known as watthour meter. These signals are sampled and converted into digital, multiplied by one another to get the instantaneous power. The working principle of an electronic energy meter is a device that measures the electronic energy consumed usually in kwh. The rotation of metallic disk is operated by two coils.

Types of energy meters and their working principles elprocus. An electricity meter, electric meter, electrical meter, or energy meter is a device that measures the amount of electric energy consumed by a residence, a business, or. Disputed meters are initially verified with a check meter operating alongside. The basic working of single phase induction type energy meter is only focused on two mechanisms. Energy meter working principle and construction electronic. A measuring system with three multipliers is required for 4wire threephase systems of unbalanced load with neutral conductor n.